This wonderful handbook provides a crystal-clear introduction to every fascinating aspect of bird biology. It will now be my own first reference source about birds, and it should be yours, too - regardless of whether you are a backyard bird watcher, a hard-core birder, or a professional ornithologist.' Jared Diamond, Professor of Geography at the University of California-Los Angeles, specialist on New Guinea birds, and Pulitzer-Prize winning author.'This new edition of the Cornell Lab of Ornith